๐ŸŒฒwashington state history review

Fort Clatsop

Written by the Fiveable Content Team โ€ข Last updated September 2025
Written by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Fort Clatsop was a temporary military encampment established by the Lewis and Clark Expedition near the mouth of the Columbia River in what is now Oregon. Built in the winter of 1805-1806, it served as a crucial base for the expedition, providing shelter and supplies as they completed their journey to the Pacific Coast and prepared for their return eastward.

5 Must Know Facts For Your Next Test

  1. Fort Clatsop was constructed using local materials like timber and mud, reflecting the resources available in the region.
  2. The fort was named after the Clatsop tribe, who inhabited the area and had interactions with the Lewis and Clark Expedition.
  3. The winter spent at Fort Clatsop was harsh, with heavy rains and cold temperatures, leading to challenges in maintaining health and morale among the expedition members.
  4. The fort served not only as a home base but also as a place for scientific observations and the documentation of flora and fauna encountered in the region.
  5. After spending several months at Fort Clatsop, Lewis and Clark left in March 1806 to begin their return journey, having gathered valuable information about the Pacific Northwest.

Review Questions

  • How did Fort Clatsop serve as a strategic location for the Lewis and Clark Expedition during their journey?
    • Fort Clatsop was strategically important for the Lewis and Clark Expedition as it provided shelter during the harsh winter months after their journey to the Pacific Ocean. The location allowed them to restock supplies and prepare for their return eastward. Additionally, being close to native tribes enabled them to interact, gather knowledge about local resources, and document their experiences in this new territory.
  • Discuss the significance of Fort Clatsop in relation to the interactions between Lewis and Clark and local Native American tribes.
    • Fort Clatsop played a significant role in facilitating interactions between Lewis and Clark and local Native American tribes, particularly the Clatsop tribe. The fort's location allowed for trade and communication, which helped foster relationships that were crucial for survival during their stay. These interactions were not only beneficial for securing resources but also contributed to understanding regional cultures, which was documented in their expedition journals.
  • Evaluate the impact of Fort Clatsop on our understanding of early American exploration and its influence on subsequent westward expansion.
    • Fort Clatsop has had a lasting impact on our understanding of early American exploration by serving as a symbol of perseverance in harsh conditions. The detailed journals kept by Lewis and Clark during their time at the fort provided valuable insights into the geography, ecosystems, and indigenous peoples of the Pacific Northwest. This knowledge significantly influenced subsequent westward expansion efforts by offering maps and accounts that encouraged settlement, trade, and further exploration of these western territories.

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Fort Clatsop Definition - Washington State History Key Term | Fiveable